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    • 3. 发明授权
    • Manufacture of paper or paperboard
    • 纸或纸板的制造
    • US08168040B2
    • 2012-05-01
    • US12525082
    • 2008-01-22
    • Holger Reinicke
    • Holger Reinicke
    • D21H11/00
    • D21H21/10D21H17/29D21H17/375D21H17/42D21H17/44D21H17/63
    • A process of making paper or paperboard with improved ash retention relative to total retention comprising the steps of providing a thick stock cellulosic suspension that contains filler, diluting the thick stock suspension to form a thin stock suspension, in which the filler is present in the thin stock suspension in an amount of at least 10% by weight based on dry weight of thin stock suspension, flocculating the thick stock suspension and/or the thin stock using a polymeric retention/drainage system, draining the thin stock suspension on a screen to form a sheet and then drying the sheet, in which the polymeric retention/drainage system comprises, i) a water-soluble branched anionic polymer and ii) a water-soluble cationic or amphoteric polymer, wherein the anionic polymer is present in the thick stock or thin stock suspension prior to the addition of the cationic or amphoteric polymer. The process brings about improved ash retention relative to total retention.
    • 制备相对于总保留物具有改善的灰分保留的纸或纸板的方法包括以下步骤:提供含有填料的厚的原料纤维素悬浮液,稀释厚的原料悬浮液以形成薄的原料悬浮液,其中填料存在于薄的 原料悬浮液的量为至少10重量%,基于干燥重量的稀浆悬浮液,使用聚合物保留/排出系统絮凝厚浆料悬浮液和/或稀浆料,将薄浆悬浮液排出筛网以形成 片材,然后干燥片材,其中聚合物保留/排出系统包括:i)水溶性支链阴离子聚合物和ii)水溶性阳离子或两性聚合物,其中阴离子聚合物存在于粗原料或 在加入阳离子或两性聚合物之前,稀薄的悬浮液。 该方法相对于总保留率提高了灰分保持率。
    • 4. 发明授权
    • Manufacture of filled paper
    • 填写纸张的制造
    • US08454796B2
    • 2013-06-04
    • US12525081
    • 2008-01-21
    • Holger Reinicke
    • Holger Reinicke
    • D21H11/00
    • D21H21/10D21H17/29D21H17/375D21H17/42D21H17/44D21H17/63
    • A process of making filled paper comprising the steps of providing a thick stock cellulosic suspension that contains mechanical pulp and filler, diluting the thick stock suspension to form a thin stock suspension, in which the filler is present in the thin stock suspension in an amount of at least 10% by weight based on dry weight of thin stock suspension, flocculating the thick stock suspension and/or the thin stock using a polymeric retention/drainage system, draining the thin stock suspension on a screen to form a sheet and then drying the sheet, in which the polymeric retention/drainage system comprises, i) a water-soluble branched anionic polymer and ii) a water-soluble cationic or amphoteric polymer. The process is particularly suitable for making filled mechanical grade paper, such as SC grade paper. The process enables the separation of retention and drainage parameters, especially useful for fast draining paper machines, such as Gapformers.
    • 一种制造填充纸的方法,包括以下步骤:提供含有机械纸浆和填料的粗纸浆纤维素悬浮液,稀释厚浆料悬浮液以形成薄原料悬浮液,其中填料以少量存在于稀浆料悬浮液中 至少10重量%,基于干燥重量的薄原料悬浮液,使用聚合物保留/排出系统絮凝稠浆料和/或稀浆料,将薄原料悬浮液排出筛网以形成片材,然后干燥 其中聚合物保留/排出系统包括:i)水溶性支链阴离子聚合物和ii)水溶性阳离子或两性聚合物。 该工艺特别适用于填充机械级纸,如SC级纸。 该过程能够分离保留和排水参数,特别适用于快速排水造纸机,如Gapformers。
    • 6. 发明申请
    • MANUFACTURE OF FILLED PAPER
    • 填充纸的制造
    • US20100089541A1
    • 2010-04-15
    • US12525081
    • 2008-01-21
    • Holger Reinicke
    • Holger Reinicke
    • D21H21/10D21H17/29
    • D21H21/10D21H17/29D21H17/375D21H17/42D21H17/44D21H17/63
    • A process of making filled paper comprising the steps of providing a thick stock cellulosic suspension that contains mechanical pulp and filler, diluting the thick stock suspension to form a thin stock suspension, in which the filler is present in the thin stock suspension in an amount of at least 10% by weight based on dry weight of thin stock suspension, flocculating the thick stock suspension and/or the thin stock using a polymeric retention/drainage system, draining the thin stock suspension on a screen to form a sheet and then drying the sheet, in which the polymeric retention/drainage system comprises, i) a water-soluble branched anionic polymer and ii) a water-soluble cationic or amphoteric polymer. The process is particularly suitable for making filled mechanical grade paper, such as SC grade paper. The process enables the separation of retention and drainage parameters, especially useful for fast draining paper machines, such as Gapformers.
    • 一种制造填充纸的方法,包括以下步骤:提供含有机械纸浆和填料的粗纸浆纤维素悬浮液,稀释厚浆料悬浮液以形成薄原料悬浮液,其中填料以少量存在于稀浆料悬浮液中 至少10重量%,基于干燥重量的薄原料悬浮液,使用聚合物保留/排出系统絮凝稠浆料和/或稀浆料,将薄原料悬浮液排出筛网以形成片材,然后干燥 其中聚合物保留/排出系统包括:i)水溶性支链阴离子聚合物和ii)水溶性阳离子或两性聚合物。 该工艺特别适用于填充机械级纸,如SC级纸。 该过程能够分离保留和排水参数,特别适用于快速排水造纸机,如Gapformers。
    • 7. 发明申请
    • MANUFACTURE OF PAPER OR PAPERBOARD
    • 纸或纸板的制造
    • US20100084103A1
    • 2010-04-08
    • US12525082
    • 2008-01-22
    • Holger Reinicke
    • Holger Reinicke
    • D21H21/10D21H17/63D21H17/42D21H17/44
    • D21H21/10D21H17/29D21H17/375D21H17/42D21H17/44D21H17/63
    • A process of making paper or paperboard with improved ash retention relative to total retention comprising the steps of providing a thick stock cellulosic suspension that contains filler, diluting the thick stock suspension to form a thin stock suspension, in which the filler is present in the thin stock suspension in an amount of at least 10% by weight based on dry weight of thin stock suspension, flocculating the thick stock suspension and/or the thin stock using a polymeric retention/drainage system, draining the thin stock suspension on a screen to form a sheet and then drying the sheet, in which the polymeric retention/drainage system comprises, i) a water-soluble branched anionic polymer and ii) a water-soluble cationic or amphoteric polymer, wherein the anionic polymer is present in the thick stock or thin stock suspension prior to the addition of the cationic or amphoteric polymer. The process brings about improved ash retention relative to total retention.
    • 制备相对于总保留物具有改善的灰分保留的纸或纸板的方法包括以下步骤:提供含有填料的厚的原料纤维素悬浮液,稀释厚的原料悬浮液以形成薄的原料悬浮液,其中填料存在于薄的 原料悬浮液的量为至少10重量%,基于干燥重量的稀浆悬浮液,使用聚合物保留/排出系统絮凝厚浆料悬浮液和/或稀浆料,将薄浆悬浮液排出筛网以形成 片材,然后干燥片材,其中聚合物保留/排出系统包括:i)水溶性支链阴离子聚合物和ii)水溶性阳离子或两性聚合物,其中阴离子聚合物存在于粗原料或 在加入阳离子或两性聚合物之前,稀薄的悬浮液。 该方法相对于总保留率提高了灰分保持率。